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package Reply::Plugin::ReadLine;
use strict;
use warnings;
use base 'Reply::Plugin';
use File::HomeDir;
use File::Spec;
use Term::ReadLine;
sub new {
my $class = shift;
my %opts = @_;
my $self = $class->SUPER::new(@_);
$self->{term} = Term::ReadLine->new('Reply');
my $history = $opts{history_file} || '.reply_history';
$self->{history_file} = File::Spec->catfile(
(File::Spec->file_name_is_absolute($history)
? ()
: (File::HomeDir->my_data)),
$history
);
if ($self->{term}->ReadLine eq 'Term::ReadLine::Gnu') {
$self->{term}->StifleHistory($opts{history_length})
if defined $opts{history_length} && $opts{history_length} >= 0;
}
if (open my $fh, '<', $self->{history_file}) {
for my $line (<$fh>) {
chomp $line;
$self->{term}->addhistory($line);
}
}
else {
my $e = $!;
warn "Couldn't open $self->{history_file} for reading: $e"
if -e $self->{history_file};
}
return $self;
}
sub read_line {
my $self = shift;
my ($next, $prompt) = @_;
return $self->{term}->readline($prompt);
}
sub DESTROY {
my $self = shift;
# XXX support more later
return unless $self->{term}->ReadLine eq 'Term::ReadLine::Gnu';
$self->{term}->WriteHistory($self->{history_file})
or warn "Couldn't write history to $self->{history_file}";
}
1;
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